Qinghong Ann

Development and validation of sensitive method for determination of serum cotinine in smokers and nonsmokers by liquid chromatography/atmospheric pressure ionization tandem mass spectrometry

John T. Bernert, Wayman E. Turner, James L. Pirkle et al. · Clinical Chemistry · 1997 · 339 citations · Full text

Structure-specific collision-induced fragmentations of ceramides cationized with alkali-metal ions

Qinghong Ann, Jeanette Adams · Analytical Chemistry · 1993 · 108 citations

Alkali-metal Ionsqinghong, Engineering, Chemical Analysis +13

Structure determination of ceramides and neutral glycosphingolipids by collisional activation of [M + Li]⁺ ions

Qinghong Ann, Jeanette Adams · Journal of the American Society for Mass Spectrometry · 1992 · 106 citations

Proteinlipid Interaction, Glycobiology, Biological Mass Spectrometry +19

Structure determination of sphingolipids by mass spectrometry

Jeanette Adams, Qinghong Ann · Mass Spectrometry Reviews · 1993 · 89 citations

Engineering, Biochemistry, Gas Chromatography +3

Analysis of Benzoylecgonine in Dried Blood Spots by Liquid Chromatography-Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry*†

Connie S. Sosnoff, Qinghong Ann, John T. Bernert et al. · Journal of Analytical Toxicology · 1996 · 52 citations · Full text

Whole Blood, Forensic Chemistry, Gas Chromatography +20